Lamp bead



FIG. 1 is a perspective view of a lamp bead showing my new design;

FIG. 2 is a perspective view of the lamp bead from behind;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top view thereof; and

FIG. 9 is another perspective view therof shown in a broken lineenvironment of use forming no part of the claimed design; and,

FIG. 10 is a rear perspective view thereof.

Broken lines are used to illustrate portion(s) of the lamp bead orenvironmental subject matter that form no part of the claimed design.

CLAIM The ornamental design for a lamp bead, as shown and described.